SW 510

$Calibre SW 510\\ © [[Sellita]] (click to enlarge!)$
Calibre SW 510
© Sellita

The Sellita SW510 is an automatic chronograph movement produced by Sellita. It is based on the popular Valjoux 7750 design, which Sellita has long produced along with ETA.

Variants:

SW510 a, SW510 b Tricompax
SW510 BHa, SW510 BHb, SW510 BHc Bicompax
SW510 MPa, SW510 MPb, SW510 MPc Bicompax
SW510 MPCa, SW510 MPCb, SW510 MPCc Bicompax

Description:

Automatic chronograph
Escapement stone lever
Yoke winding system
Stop mechanism Cam switching
Incabloc shock protection

Functions:

Hours, minutes
Small seconds at the 9
1/8-seconds counter, 30-minutes counter, 12-hours counter
Rapid calendar advance
Hacking seconds
Complications 12-hours counter, day quickset date feature

Data:

13¼ lignes
D 30.0 mm, H 7.9 mm
27 jewels
28,800 A/h
Power reserve 62h

Production period:

Since 20??